Laws & Regulations
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Process Flow Chart for EPA Confirmatory Testing Procedure
View a flowchart of the testing procedure for EPA's confirmatory testing.
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Support Files for All Nonroad Spark-Ignition (SI) Engines
Use these files for all spark-ignition certification in the Verify System.
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July 2023 Denial of Petitions for RFS Small Refinery Exemptions
EPA announces the denial of 26 petitions from small refineries seeking small refinery exemptions (SREs) from the Renewable Fuel Standard (RFS) program for one or more of the compliance years between 2016 and 2023.
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MPRSA General Permits
General permits are issued by EPA for the transportation and disposition of certain materials that will have a minimal adverse environmental impact and are generally disposed of in small quantities. Information is provided about MPRSA general permits.
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Study Profile Templates
Listing of study profile templates and brief description about each to include downloadable file in Word and/or PDF formats.
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Notices of Intent Archive: 2009 Potable Water Treatment Facility General Permit (PWTF GP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Potable Water Treatment Facility General Permit (PWTF GP) in Massachusetts and New Hampshire
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Notices of Intent Archive: Publicly Owned Treatment Works General Permit (POTW GP) for Massachusetts & New Hampshire
Notices of Intent Archive for the Publicly Owned Treatment Works General Permit (POTW GP) in Massachusetts and New Hampshire
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Merrimack Station Administrative Record
Administrative Record documents for Merrimack Station, New Hampshire
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Schiller Station Administrative Record
Administrative Record documents for Schiller Station, NH
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Criteria for Biodegradability Claims on Products Registered under FIFRA
Learn about an EPA pilot program to assess the potential benefits of allowing “factual statements” regarding some environmentally preferable characteristics of registered pesticide products.
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Tarp Testing Guidance
Since the reactivity, stability, and other chemical properties are different for each soil fumigant pesticide, the permeability of each fumigant through a film will be different. Certain tarps that qualify for buffer zone reduction credits are listed.
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Technical Amendments to the 2016 New Source Performance Standards and Emission Guidelines for CISWI
Final technical amendments to EPA's Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Commercial and Industrial Solid Waste Incineration Units;
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Policy and Procedures for EPA's Data Standards
This document establishes principles and requirements for the development and implementation of data standards.
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What is the GHGRP?
Provides a broad overview of the Greenhouse Gas Reporting Program (GHGRP).
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e-GGRT News
e-GGRT News
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Federalism Consultation - Pre-Proposal of a Revised Definition of Waters of the US
Description of Federalism outreach efforts and links to document pages for all federalism letters received in response to Summer-Fall 2021 Waters of the United States Rulemaking
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2008 Rapanos Guidance and Related Documents under CWA Section 404
This memo provides guidance to EPA regions and Corps districts implementing the Supreme Court's decision in the consolidated cases Rapanos v. US and Carabell v. US which address the jurisdiction over waters of the U.S. under the Clean Water Act.
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Tribal Consultation - Pre-Proposal of a Revised Definition of Waters of the US
Description of Tribal outreach efforts and links to document pages for all tribal consultation letters received in response to Summer-Fall 2021 Waters of the United States Rulemaking
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Legal Memoranda Regarding Solid Waste Agency of Northern Cook County (SWANCC) v. United States
Joint agency guidance regarding Solid Waste Agency of Northern Cook County v. United States Army Corps of Engineers
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Final Rule: The Navigable Waters Protection Rule
Final revised definition of "waters of the United States"